jong-un has dismissed three of his top military officers. not just dismissed, but replaced them with younger junior officers. this will be the first time that kims country with an advanced warning. in the past the north koreans haven't announced his departure or being out of the country until he is back in the country. remember the trip to china. >> they made the announcement official after the green train crossed the border back to north korea. this time everyone in north korea is going to know their leader is out of the country. they might knew the duration. >> hans, you and i talked about this in the past. i want to get your analysis on this. the president complains about the iran deal. now you can't sort of go into negotiations and ask people to give up what they want without offering them something in return. in theory, you can ask the north koreans to denuclearization in he can change for the lifting of sanks and perhaps some economic aid, which i don't want to oversimplify things, looks a whole lot like the iran deal. >> yes, and no. economic aid, the north koreans are saying they don't want it. the north koreans are saying th not a moti